The construction contract credit rating system is composed of the management of rating system, the rating quota system, the rating mathematic model and the rating software.

建设工程契约信用评价体系主要由评价管理办法、评价指标体系、评价数学模型和评价软件系统组成。

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There is a extremeness, the firm contract with a few little profit projects because of competition, in order to exist, they gain income by venturing to execute quota system.

有一种极端的情况是，由于市场竞争，企业承包了微利的项目，企业为了求生存，实行定额制，获得固定收益。

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